Understanding Media Kits, Press Kits, Brand Kits.. and the One Sheet.
Energy storage kits for residential and commercial...
Transcript of Energy storage kits for residential and commercial...
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Energy storage kits for residential and commercial
customers Ken Hobbs
Technical Director, CCL Components Dean Kalek
Technical Trainer, SMA Solar UK
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SMA Smart Home Basic, Integrated and Flexible Storage System
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SMA Solar Technology AG
Greater Independence
> “The electricity produced during the daytime can also
be made available during the night.”
> “As the producer of your own energy, you become
independent from price increases. You help to shape
your own electricity price.”
> Independence that really pays off: “Once you factor in
your grid feed-in profits, your bottom line will really
benefit.”
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SMA Solar Technology AG
Self-Consumption
> “How much does electricity from your electric utility company currently cost? Why don’t you produce your own electricity at a lower cost?”
> “Try to use as much energy you produce on your own for yourself. Take advantage of your system’s yield because it offers a huge savings potential.”
> “The higher your self-sufficiency rate, the greater your financial benefits — and the more you can reduce the costs of purchasing electricity.”
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SMA Solar Technology AG
Motivation: Grid Supply vs. PV Energy
Electricity prices in UK have risen by an average of 30 % in last 4 years
Energy consumption is steadily increasing
PV system costs decreased by more than 50% in the last 3 years
Already today, we see a significant cost advantage of PV generated energy in various
markets – tendency growing. This advantage will be maximized by storage systems and
energy management (EM).
electricity price
cost of PV
Time
Electricity Costs
(£ / kWh)
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SMA Solar Technology AG
Energy management in a typical household
20 – 30% self-consumption is possible without additional measures
+ 15% self-consumption with manual or automatic shifting of loads
+ 10% self-consumption with Sunny Boy Smart Energy and battery storage
Over 50% reduction in energy costs
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SMA Solar Technology AG
Key Facts:
PV inverter with integrated lithium-ion battery
Designed for typical home installations
2 kWh usable capacity
SB 3600/5000
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SMA Solar Technology AG
HERE'S HOW IT WORKS
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SMA Solar Technology AG
For example: Sunny day, 2 p.m., battery is empty
1. The inverter checks whether current is being consumed in the household
2. If current is being consumed, all household devices
(e.g. light, dishwasher, TV) are supplied first
3. The battery is charged if no current is being consumed or more solar energy
is being produced than is being consumed. This
energy can be used later, when the solar energy does not
cover the energy consumption
1. Once the battery is full and more energy is being produced than is being consumed,
it is fed into the grid.
Outstanding System Efficiency in Power Conversion and Temporary Storage of Power in Excess of 94%
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SMA Solar Technology AG
Simple Planning and Installation
No separate design and installation of the battery system
Component's weight does not exceed 30 kg
Easy transportation
Easy wall mounting
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SMA Solar Technology AG
Wall mounting in four steps
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SMA Solar Technology AG
Wall Mounting In Four Steps
Suspension
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SMA Solar Technology AG
Wall Mounting In Four Steps
Battery installation
Suspension
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SMA Solar Technology AG
Wall Mounting In Four Steps
Battery installation
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SMA Solar Technology AG
Wall Mounting In Four Steps
DC and AC connection
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SMA Solar Technology AG
Wall Mounting In Four Steps
Finished!
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SMA Solar Technology AG
Technical Information and Battery Details
> LG Chem delivers lithium-ion storage batteries in the form of a black box
> Voltage range: 120–166 VDC
> Usable capacity: 2 kWh (15 Ah)
> Weight: 27.5 kg maximum
> Service life: at least 7 years (to 80% SOH)
> Life expectancy approx. 10 years (to 70% SOH)
> Dimensions in mm: 650x350x200
> 800 kWh throughput annually
> Integrated battery management system (BMS) for
> Voltage monitoring at a cell level
> Evaluation of current battery state
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SMA Solar Technology AG
Smart Home − Load Control
> Sunny Boy SE behavior
• The Sunny Boy SE will not access the utility grid to perform a float
charge.
• The battery will be delivered at half capacity (voltage at delivery
approx. 140 V) allowing it to be stored for several months on end
without a loss in capacity.
• Since the battery only suffers minimal self discharge in a low state
of charge (up to 5% possible), operation during winter months is less
problematic than with lead-acid batteries.
• The ability to charge quickly (full charge possible in under two
hours). Lead-acid batteries, on the other hand, can require several
hours to charge.
• During transitional months (fewer hours of sun) there is a better
change of fully charging these batteries (more self-sufficient than
lead-acid batteries)
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SMA Solar Technology AG
Sunny Boy SE SMA Energy Meter Sunny Home Manager
Sunny Portal
+
_
Available features The Sunny Boy SE can only be ordered together with a battery
• The Sunny Boy SE receives necessary battery charge and discharge information via connection to energy meter
• Monitoring information is sent directly to Sunny Portal via integrated Speedwire Webconnect communication (2 x RJ45 plugs) and Internet connection.
• Standard Sunny Portal pages • Yields, power output, feed-in tariff and CO2-avoidance • System logbook with recent events • Current system and operator data • Inverter comparison • Battery status display on a separate icon • Energy balance display
• Natural self-consumption with additional battery power without configurable optimization of self-consumption
Sunny Boy Smart Energy Monitoring
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SMA Solar Technology AG
Sunny Boy Smart Energy Protection Classes
Protection class IP 21
Protection against the intrusion of solid foreign bodies ≥ 12.5 mm in diameter. Protection against finger access to dangerous parts.
Protection against the intrusion of water (vertical drip) with damaging effects.
Battery part
Inverter Protection Class IP 54
Protection against dust intrusion. Protection against access to dangerous parts with a wire.
Protection against the intrusion of water (water jet).
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SMA Solar Technology AG
Sunny Boy Smart Energy Installation Site and Installation Conditions
> The Sunny Boy Smart Energy is only suitable for operation indoors. > Ambient temperature must be between 0°C and 40°C > Optimal ambient temperature for batteries (100% capacity): 15-30°C
> The Sunny Boy Smart Energy is not suitable for operation outdoors. > Exterior walls, open basements, garages, attics, etc. are not suitable installation sites.
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SMA Solar Technology AG
Examples of Non-suitable Installation Sites
The proper combination of temperature range and installation site is required. The warranty will otherwise lose its validity.
Max. warm temperature of 40°C
Min. cold temperature of 0°C
Carport Attic Exterior walls
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SMA Solar Technology AG
> Standard:
Full 5-year warranty for inverters
Full 5-year warranty for batteries
> Optional extended warranty:
Inverters 10 / 15 / 20 years *
> Customers will receive a new battery if their
battery fails during the warranty period
*Inverter only
Sunny Boy Smart Energy—Warranty
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SMA Solar Technology AG
Sunny Boy Smart Energy
> Easiest battery system in the market due
to time-saving wall mounting and
integrated battery
> Best cost battery system with economical
optimized battery size to increase self
consumption
> Highest safety standards, with world
leading manufacturer (LG Chem)
> Outstanding efficiency in power
conversion and temporary storage of
power
SMA Solar Technology AG
Inverter with integrated energy storage solution in one enclosure
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Dean Kalek
Thank you for your attention
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Energy Storage + Backup
Domestic and Small commercial
Ken Hobbs CCL Components Ltd
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QUESTION
Who has been asked by a customer for
Backup or Self Consumption System?
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• Power Security • Increased Self Consumption • Insulation from rising Energy Costs • Limited Grid Export areas • Reduce Consumption
– Seeing power usage causes most to reduce use.
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SUNNY ISLAND • Retrofit to Existing Systems • Backup Power on Grid Failure • Selectable Battery Capacity • Max PV Size 16kw* • Single or 3 phase possible. • Scalable up to 12 Sunny Islands*
SMART ENERGY • 2kwh Lithium Ion • NO BACKUP POWER • Max PV size 6.6kw
(SE5000) • Single phase system
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• Sunny Island • Battery Bank • Switch Box
(for backup systems) • Home Manager
Communications
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• Proven reliability – Grid Parallel design – Proven technology from Off Grid applications – Proven Battery management.
• G59 certification for Sunny Island. • Switching only when grid fails.
– Reduced switching for higher reliability.
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> I agree with you it sounds like a grid connected inverter – and therefore yes it should be certified If the manufacturer has updated the software and this update now allows export of power to the grid then that product and its protection will need to comply with either G83 or G59. The DNO will expect to see the relevant type test certification before allowing connection to the grid. ENA - Energy Networks Association
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• VRLA / FLA / NiCad • Lithium Ion
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• It depends! – PV Size – Usable Battery Capacity – Load Profile / Usage Patterns
• Be wary of over exaggerated claims.
– 20% self consumption typical with NO storage. – 50-60% self consumption typically achievable.
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• Domestic installs 3kw and above – 4kw + main target – Less than 3kw ROI just doesn’t work – Last gasp high FITs rate installs…
• Commercial Customers
– Larger battery storage can also provide backup. – Single or 3 phase systems. Up to 100kw* – Remember this is NOT a UPS.
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SYSTEM COST 45p FITs
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SYSTEM COST 21p FITs
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